54131241881 has 2 divisors, whose sum is σ = 54131241882. Its totient is φ = 54131241880.

The previous prime is 54131241841. The next prime is 54131241887. The reversal of 54131241881 is 18814213145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48440048281 + 5691193600 = 220091^2 + 75440^2 .

It is a cyclic number.

It is not a de Polignac number, because 54131241881 - 2¹⁰ = 54131240857 is a prime.

It is a super-2 number, since 2×54131241881² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54131241887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27065620940 + 27065620941.

It is an arithmetic number, because the mean of its divisors is an integer number (27065620941).

Almost surely, 2^54131241881 is an apocalyptic number.

It is an amenable number.

54131241881 is a deficient number, since it is larger than the sum of its proper divisors (1).

54131241881 is an equidigital number, since it uses as much as digits as its factorization.

54131241881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 38.

The spelling of 54131241881 in words is "fifty-four billion, one hundred thirty-one million, two hundred forty-one thousand, eight hundred eighty-one".